Brazil, the world's leader in gun- related murders, is divided over a proposal to ban the sale of firearms that President Luiz Inacio Lula da Silva says would help curb an increase of violence in the country. The Oct. 23 referendum marks the first time any nation has put a gun-control measure to a popular vote, according to the human-rights group Amnesty International. A poll this month of 2,002 people by Rio de Janeiro-based Ibope found 49 percent oppose the change... (GunPolicy.org)